25444240

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{353}}^1$

素因数の和:436

約数の個数: 80

約数和(自身を含む): 64000368

約数和(自身を除く): 38556128

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 53, 68, 80, 85, 106, 136, 170, 212, 265, 272, 340, 353, 424, 530, 680, 706, 848, 901, 1060, 1360, 1412, 1765, 1802, 2120, 2824, 3530, 3604, 4240, 4505, 5648, 6001, 7060, 7208, 9010, 12002, 14120, 14416, 18020, 18709, 24004, 28240, 30005, 36040, 37418, 48008, 60010, 72080, 74836, 93545, 96016, 120020, 149672, 187090, 240040, 299344, 318053, 374180, 480080, 636106, 748360, 1272212, 1496720, 1590265, 2544424, 3180530, 5088848, 6361060, 12722120, 25444240]

約数ペア:

[(1, 25444240), (2, 12722120), (4, 6361060), (5, 5088848), (8, 3180530), (10, 2544424), (16, 1590265), (17, 1496720), (20, 1272212), (34, 748360), (40, 636106), (53, 480080), (68, 374180), (80, 318053), (85, 299344), (106, 240040), (136, 187090), (170, 149672), (212, 120020), (265, 96016), (272, 93545), (340, 74836), (353, 72080), (424, 60010), (530, 48008), (680, 37418), (706, 36040), (848, 30005), (901, 28240), (1060, 24004), (1360, 18709), (1412, 18020), (1765, 14416), (1802, 14120), (2120, 12002), (2824, 9010), (3530, 7208), (3604, 7060), (4240, 6001), (4505, 5648)]